12205234413 has 16 divisors (see below), whose sum is σ = 18083564800. Its totient is φ = 8136041760.

The previous prime is 12205234399. The next prime is 12205234451. The reversal of 12205234413 is 31443250221.

12205234413 is a `hidden beast` number, since 1 + 220 + 5 + 23 + 4 + 413 = 666.

It is not a de Polignac number, because 12205234413 - 2⁴ = 12205234397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205234213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455673 + ... + 481713.

It is an arithmetic number, because the mean of its divisors is an integer number (1130222800).

Almost surely, 2^12205234413 is an apocalyptic number.

It is an amenable number.

12205234413 is a deficient number, since it is larger than the sum of its proper divisors (5878330387).

12205234413 is a wasteful number, since it uses less digits than its factorization.

12205234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43409 (or 43403 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12205234413 its reverse (31443250221), we get a palindrome (43648484634).

The spelling of 12205234413 in words is "twelve billion, two hundred five million, two hundred thirty-four thousand, four hundred thirteen".